20421824 (number)

20421824 is an even 8-digits composite number following 20421823 and preceding 20421825. In scientific notation, it is written as 2.0421824 × 10^7. The sum of its digits is 23. It has a total of 8 prime factors and 28 positive divisors. There are 10041600 positive integers (up to 20421824) that are relatively prime to 20421824.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand eight hundred twenty-four

Notation

Scientific notation 2.0421824 × 10^7
Engineering notation 2.0421824 × 10^6

Prime Factorization of 20421824

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 61 × 5231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 638182
Product of the distinct prime numbers

The prime factorization of 20421824 is 2 × 2 × 2 × 2 × 2 × 2 × 61 × 5231. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 3, 34, 94, 358, 277, 6799, 593, 16378, 59138, 870056, 791035, 2147712, 7668350, 31740181, 55137686, 177703477, 886144906, 3051065967, 49941049

Basic calculations (n = 20421824)

Multiplication

n×y
n×2 40843648
n×3 61265472
n×4 81687296
n×5 102109120

Division

n÷y
n÷2 10210912
n÷3 6807274.6666667
n÷3 5105456
n÷5 4084364.8

Exponentiation

ny
n2 417050895486976
n3 8.5169399866774E+21
n4 1.7393144942649E+29
n5 3.5519974482527E+36

Nth Root

y√n
2√n 4519.0512278575
3√n 273.33684442578
4√n 67.223888818317
5√n 28.974697182551

Divisors of 20421824

1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5231, 10462, 20924, 41848, 83696, 167392, 319091, 334784, 638182, 1276364, 2552728, 5105456, 10210912, 20421824

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421823
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421824 can be divided by 28 positive divisors. The sum of these divisors (counting 20421824) is 1, the average is 0.035714285714286.

Base conversion 20421824

Base System Value
2 Binary 1001101111001110011000000
3 Ternary 1102102112110212
4 Quaternary 1031321303000
5 Quinary 20211444244
6 Senary 2005413252
8 Octal 115716300
10 Decimal 20421824
12 Duodecimal 6a0a228
16 Hexadecimal 1379cc0
20 Vigesimal 67ceb4
36 Base36 c5pkw

Cryptographic Hash Functions

md5 e8f1c7498509c04a7cbef470dc3dc570
sha1 9301070f1e0e79f28ecf5e661c551f7a9b90ebf6
sha256 f37314d01cfdc3ad28de289b566d38d1d5322402030cc437d81bb3e712cc2a8a
sha512 dbb5157d3d23fdc0bdf05f809a4c1c09942235d3f638997ee228400e64307af29f6d36745841e2f59bf2bc37368c3cabd13e439cd1ca7093288f8d6cb08606dc
ripemd-160 81dbaa926abd798df3e47e608f310a6af1c3caf7

20421824 as geometric shapes

Circle

Radius = n
Diameter 40843648
Circumference 128314104.50261
Area 1.3102040294349E+15

Sphere

Radius = n
Volume 3.5675674790948E+22
Surface area 5.2408161177397E+15
Circumference 128314104.50261

Square

Length = n
Perimeter 81687296
Area 417050895486976
Diagonal 28880820.469196

Cube

Length = n
Surface area 2502305372921856
Volume 8.5169399866774E+21
Space diagonal 35371636.751229

Equilateral Triangle

Length = n
Perimeter 61265472
Area 1.8058833508139E+14
Altitude 17685818.375615

Triangular Pyramid

Length = n
Surface area 1.8058833508139E+14
Volume 1.0037310032564E+21
Height 9626940.1563988